High-Performance Taps
Selection Guide
Good
Better
Best
hole
through
thread
blind
cutting forming
coolant
flood
material
through
min–max
series
chamfer
size
range
grade/
coating
type form helix
angle
dimension
Spiral-Point and Left-Hand Spiral-Flute Taps
GT20
X X X M3–M42 GP6520,
GM6515 X plug D L15° DIN 371,
374, 376
X X X M24–M42 GP6520 X plug D L15° DIN 376, XL
X X M5–M14 GP6520,
GM6515 X plug D L15° DIN 371,
376
X X X M3–M20 WS32MG X plug D L8° DIN 371,
376
X X X M3–M12 WN35MG X plug B 0° DIN 371,
376
X X X M3–M16 WN48EG X plug B 0° DIN 371,
376
X X X M3–M20 WP31MG X plug B 0° DIN 371,
374, 376
X X X #4–1" WP49EG,
WU41EG X plug B 0° DIN 371,
376
X X X WP42EG,
M2–M36 WU41EG,
WP49EG,
WU40EG X plug B 0° DIN 371,
374, 376
X X X M3–M20 WU41EG,
WU40EG X plug B 0° JIS
X X X M24–M42 GP6520 X semi-
bottom C 45° DIN 376, XL
X X X M3–M42 GP6520,
GM6515,
GP6505 X semi-
bottom C 45° DIN 371,
374, 376
X X X M5–M42 GP6520,
GM6515 X semi-
bottom C 45° DIN371,
376
X X X M24–M42 GP6520 X semi-
bottom C 45° DIN 376, XL
X X M5–M16 GP6520 X bottoming E 45° DIN 371,
374, 376
X X M5–M16 GP6520 X bottoming E 45° DIN 371,
374, 376
X X M24–M42 GP6520 X semi-
bottom C 15° DIN 376, XL
X X M24–M42 GP6520 X semi-
bottom C 15° DIN 376, XL
X X X M3–M20 WS32MG X semi-
bottom C 10° DIN 371,
376
X X X M3–M12 WN35MG X semi-
bottom C 30° DIN 371
X X X M3–M20 X semi-
bottom C 45° DIN 371,
376
GT20
GT21
X
GT10
GT14
GT70
GT00
VTSP060
VTSP065
VTSP075
GT30
GT30
GT31
GT31
GT32
X
GT33
X
GT50
X
GT51
GT12
GT16
GT80
X2
X
WN48EG
widia.com
Spiral-Flute Taps